Function SDL_SensorClose

deps/SDL2/src/sensor/SDL_sensor.c:389–437

* Close a sensor previously opened with SDL_SensorOpen() */

 * Close a sensor previously opened with SDL_SensorOpen()
 */
void
SDL_SensorClose(SDL_Sensor * sensor)
{
    SDL_Sensor *sensorlist;
    SDL_Sensor *sensorlistprev;

    if (!SDL_PrivateSensorValid(sensor)) {
        return;
    }

    SDL_LockSensors();

    /* First decrement ref count */
    if (--sensor->ref_count > 0) {
        SDL_UnlockSensors();
        return;
    }

    if (SDL_updating_sensor) {
        SDL_UnlockSensors();
        return;
    }

    sensor->driver->Close(sensor);
    sensor->hwdata = NULL;

    sensorlist = SDL_sensors;
    sensorlistprev = NULL;
    while (sensorlist) {
        if (sensor == sensorlist) {
            if (sensorlistprev) {
                /* unlink this entry */
                sensorlistprev->next = sensorlist->next;
            } else {
                SDL_sensors = sensor->next;
            }
            break;
        }
        sensorlistprev = sensorlist;
        sensorlist = sensorlist->next;
    }

    SDL_free(sensor->name);

    /* Free the data associated with this sensor */
    SDL_free(sensor);

    SDL_UnlockSensors();
}

void
SDL_SensorQuit(void)